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6
Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores.
[ metal products-namely, alloy iron castings, gray iron castings, wheels, tunnel liners, ductile iron pipe, gray iron pipe, pipe couplings and fittings, sluice gates, ] steel joists, structural steel for buildings, bridges, tanks, towers [ and warehouses; ingot molds, mill liners, mine skips and cages, water hydrants, hydraulic gates and shipping containers ]
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7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.
[ machinery-namely, brakes, hydraulic presses and shears, mechanical presses, pulp and paper mill machinery, rubber and plastics machinery, machinery gears, steel mill machinery, conveyor systems, cranes and bulk loading machinery ]
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9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
[ electrical products-namely, alternators, electric motors, generators, variable speed drive systems, traction motors, microwave structures and rail welding equipment ]
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12
Vehicles; apparatus for locomotion by land, air or water.
[ railway vehicles-namely,ballast cleaners, brush cutters, cross tie renewers, ballast tampers, rail bolters, drills and lubricators, snow blowers, spike pullers and drivers, switch tampers, tamping jacks, track laying and lifting equipment, track liners and switchers, track recording cars and hand and motor rail cars ]
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19
Building materials (non-metallic); non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal.
concrete and plastic pipe